Fuse-box support.



PATENTBD OCT. 1, 1907. J. s. DOYLE.

. FUSE BOX SUPPORT. APPLICATION FILED JAN.24,1907.

JAMES S. DOYLE, OF NEW YORK, N. Y.

:eusnnox SUIPORT.

Specification of Letters Patent.

Patented Oct. 1, 1907.

Application filed January 24,1907. Serial No. 353,839,

To all whom it may concern:

Be it known that 1, James S. DOYLE, a citizen of the United States, residing in the city, county, and State of New York, have made a certain new and useful invention in Fuse-Box Supports, of which the following is a specification.

This invention relates to fuse box supports.

The object of'the invention is to provide a fuse box support for street or railway cars which is simple in construction and efficient in operation, wherein the fuse is relieved of the shock and jar incident to the pounding of the truck wheels on the rail joints.

A further object of the invention is to provide a yi ling fuse box support.

Other objects of the invention will appear more fully hereinafter.

The invention consists substantially in the construc tion, combination, location and relativearrangement of parts, all as will be more fully hereinafter set forth as shown in the accompanying drawing and finally pointed out in the appended claims.

.teferring to the accom i anying drawing, and to the Various views and reference signs appearing thereon,- Figure l. is a broken view in top plan of a fuse box and its support embodying the principles of my invention. Fig. 2 is a view, partly in vertical longitudinal section, and partly in side elevation of the same. Fig. 3 is a view in transverse section on the line 3, 3, Fi 2, lookin g in the direction of the arrows.

The same part is designated by the same reference sign wherever it occurs throughout the several views.

Ordinarily in street and railway car service the safety fuse is mounted or carried rigidly upon the truck frame where it is subjected to the repeated shock and jar incident to the pounding of the truck wheels upon the rail joints. Frequently such shocks and jars to which the fuse is subjected cause a displacement, disintegration, or crystallization, or other deteriorating effect, in the substance or material or structure composing the fuse, and hence, causing objectionable and dangerous variations in the point at which the fuse operates in the pcrforman cc of its safety function. Fuses are constructed and arranged in the composition and structure thereof, to become effective, or to blow out, when a certain condition or point of current pressure is imposed thereon. In case of variation in the predetermined condition or pressure necessary to arise the fuse to operate, the danger is incurred of a ailure of the fuse to act at the required time, thereby causing injury to the motor or other translating device in the circuit containing such'fusc. It is therefore important to insure the operation of the fuse at the prcdcicrmincd point at which it is set, and it is among the special purposes of my present; invention to provide a yielding supptn't or suspension for the fuse box whereby the f use is relieved of the shock, jar or injury incident to the pounding of the truck wheels upon the rail joints, thereby insuring the operation of the fuse, when occasion arises, at the predetermined point for which it is set.

My invention maybe carried out in many specifically different constructions and arrangements of yielding supports. While, therefore, I have shown and will now describe one construction and arrangement cmbodying my idea I do not desire to be limited or restricted thereto.

In the particular form shown, I employ angle plates or brackets A, adapted to be secured to and supported by any suitable or convenient beam B, of the truck frame. Supported at their ends on the horizontal flanges G, of the angle plates or brackets are one or more bow shaped springs D. The fuse, E, which may be of any suitable or desired construction, is arranged in any ordinary or well known manner within the box F. This box is supported upon. and secured to the bars G, H, in any convenient manner, as for instance by means of the straps .l, K, the former taking over the top edge of the box at its ends, and the straps K, being merely secured to the end pieces of the box. The bars G, H, are bolted, or otherwise secured to, or supported upon the bow spring D, at a point intermediate the ends thereof, thereby affording a most simple and efficient spring support or mounting for the fuse box, and permitting the free up and down yielding movement of the fuse box whereby the fuse is relieved of the shocks, jars or injurious effects of the pounding of the truck wheels upon the rail joints.

If desired the supporting bow springs D, may be strengthened, reinforced and braced by means of an auxiliary spring strip L, interposed between the same and the supporting bar G. The ends of the spring D, may be supported in any convenient manner upon the angle flanges O, of the plates A. In the particular form shown, to which, however, my invention is not to be limited or restricted, the ends of the spring are freely received in recesses formed in blocks M, the latter being bolted or otherwise secured to the flanges C, of the supporting plates A. Any suitable form of guides for guiding the fuse box in its yielding up and down movements may be provided. In the form shown the blocks M, are provided with vertical guide pins N, arranged extend into holes 0, formed in the ends of bars G, H, as clearly shown. If: desired, and

in order to still further guide the fuse box in its vertical yielding movements the box, on its rear side may be provided with one or more guiding lugs P, through which are received the pins R, mounted upon the beam B.

From the foregoing description it will be seen that I provide an exceedingly simple and efficient yielding fuse box support, one that can be readily and easily applied to any truck frame, and whereby the fuse is relieved of the shock and jar, incident to the pounding of the truck Wheels upon the rail joints.

Having now set forth the object and nature of my invention, and a construction embodying the principles thereof, what I claim as new and useful and of my own invention is'.

1. The combination with a fuse and its carrier. of a yielding support for said carrier.

2. The combination with a fuse and its carrier. of a support for said carrier, and means for yieldinglv saspendiug said support for free vertical movement.

Ii. The combination with a fuse and its carrier, of a support for said carrier. means for yieidiugly suspending said support for free vertical movement. and means for guiding the same during such movements.

4. The combination with a truck frame beam. of a fuse box and fuse. and means for yieldiugly supporting said box upon said beam.

7. The combination with a truck frame beam. a spring supported thereby. and a fuse box and fuse supported upon said spring.

ti. The combination with a truck frame beam, plates supported thereby a spring supported at its ends by said plates and a fuse box supported by said spring.

r. The combination with a truck frame beam. :1 spring strip. means for suspending; the same at its ends from said beam. and a fuse box supported by said spring intermediate its ends.

8. The combination with a truck frame beam. a spring strip. in ans for suspending the same at its ends from said beam. a fuse box supported upon said spring at a point intermediate its ends. and means for guiding said box in its yielding movements.

51. The combination with a truck frame beam. a spring strip, means for suspending the same at its ends from said beam, a fuse box supported by said spring at a point intermediate its ends. and means for reinforcing said spring at the point: where it forms a support for said box.

10. The combination with a ruck frame beam. brackets or plates carried thereby, a spring strip supported at its ends upon said brackets or plates. at bar supported upon said spring. and having ide holes through the ends thereof, uide pins workin in said holes. a fuse box carried by said bar and having a guide hug. and a guide pin carried by said beam and \\'orking in said guide lug.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, on this 17th day of January ii. 1907.

JAMES i DOYLE.

Witnesses .iosi-zrn Kmnx. S. I funny. 

